-373 BLACK BUNA 70D O-RING

Part number H70373 is an AS568-373 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 8.975 in (227.97 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 9.395 in (238.63 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. It resists water, propane and butane, and petroleum-based oils. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or ketones call for a different compound.

It sees regular use in construction equipment, hydraulic and pneumatic systems, and agricultural equipment.

Order part number H70373, sold individually. Unit weight is approximately 19.94 g and nominal inside diameter is listed as 9 inch. Check the compound against your process media, pressure and temperature before committing to a design.